package functional;

import java.util.function.Function;

interface FuncSS extends Function<String, String> {
}

public class ProduceFunction {
	static FuncSS produce() {
		return s -> s.toLowerCase();
	}

	public static void main(String[] args) {
		FuncSS f = produce();
		System.out.println(f.apply("YELLING"));
	}
}
